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We list hundreds of Clinical Trials about "What Immunological Defects Predispose tuberculosis Mycobacterial Infections" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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The trial is an open-label, non-controlled, multicenter, pilot clinical trial of inhaled molgramostim (recombinant human Granulocyte-Macrophage Colony Stimulating Factor; rhGM-CSF) in subjects with persistent pulmonary Non-Tuberculosis Mycobacterial (NTM) infection. Subject will be treated for 24-weeks with inhaled molgramostim and will be followed up for 12-weeks after end of treatment. The primary aim of the trial is to investigate the efficacy of inhaled molgramostim on NTM ...
This is an open label study to determine the effects of the administration of Interferon-gamma on the clinical condition and immune function of patients with severe, treatment refractory non-tuberculosis mycobacterial infections. The study drug (interferon gamma) will be administered subcutaneously three times a week at 0.05 mg/m(2) for one year. We may also collect blood from the relatives of these patients and normal volunteers in order to characterize the genetic basis, if ...
This study will determine the influence of doxycycline treatment against Wolbachia/M. perstans on immunity against concomitant mycobacterial infections in healthy M. perstans infected individuals. In this regard, the investigators will perform a community-based randomized controlled trial (Phase 2a) in Asante Akim North District. A cohort of 200 participants who are contacts of patients with Tuberculosis or Buruli ulcer, of both sexes with no clinical condition requiring long-t...
Diagnosis of extra pulmonary tuberculosis remains especially challenging since the number of Mycobacterium tuberculosis bacilli present in tissues at sites of disease is often low and clinical specimens from deep-seated organs may be difficult to obtain. Histology is time-consuming to undertake and establishing a diagnosis of tuberculosis with high specificity remains difficult. Tissue microscopy after special staining is often negative and when mycobacteria are seen, it is imp...
To evaluate the efficacy and safety of long-term treatment with clarithromycin in patients with Non-tuberculous Mycobacterial Pulmonary Infections.
The purpose of the study is to evaluate the efficacy and safety of Mycobacterium w in new lung tuberculosis patients. Mycobacterium w is a strain of bacterium which is being used as vaccine and adjunct drug against leprosy. This agent has also been found to be useful in the treatment of lung tuberculosis in limited number of patients. We are conducting this study in category-I patients( As per World Health Organization,Geneva classification of tuberculosis) having lung tubercu...
The aim of this study is to elucidate the prevalence of nontuberculous mycobacterial (NTM) co-infection in patients with smear positive pulmonary TB. To detect the NTM co-infection, we will perform duplex PCR targeted for mycobacterial hsp 65 gene using sputa. In addition, the clinical significance of this co-infection will be evaluated.
The purpose of the study is to study the efficacy and safety of Mycobacterium in treating patients with lung tuberculosis . Mycobacterium is a strain of bacterium which is used as a vaccine and an adjuvant drug against leprosy. This agent has also been found to be effective in the treatment of lung tuberculosis in a limited number of patients. The researchers are conducting this study in the World Health Organization (WHO) category-II of lung tuberculosis patients to see the e...
The purpose of this study is to study the effect that treatment of dormant tuberculosis infection has on the immunological system. We expect to observe an impact over the production of cytokines by peripheral white blood cells which may be useful to know if treatment has been effective.
Diagnosis of tuberculosis (TB)in young children is a challenge due to atypical non-specific symptoms, difficulty to expectorate mucus, paucibacillary nature of pulmonary TB and low sensitivity of available diagnostic tools. This project aims at evaluating two innovative immunological methods for diagnosing of active TB among HIV-infected and uninfected children.
This study will test the safety and effectiveness of a drug called interleukin-12 (IL-12) in fighting severe infectious (other than tuberculosis) caused by a group of bacteria called mycobacteria. IL-12 is similar to a substance the body produces naturally to strengthen immune function (infection-fighting ability). It works by stimulating white blood cells to increase production of a chemical called interferon gamma, which can improve or cure mycobacterial infections in some ...
This study is designed to determine whether 6 months of anti-HIV drugs given along with tuberculosis treatment will delay the onset of AIDS in HIV infected African patients.
Tuberculosis is a current infection during anti TNF therapy. After infectious contact, some patients will develop tuberculosis and some will only be infected without symptoms, they have Latent Tuberculosis Infection (LTBI) wich can reactivate later. In order to prevent this tuberculosis reactivation, LTBI diagnosis screening is preconised in patients who need anti TNF therapy. This diagnosis is made till now by the tuberculin skin test (TST) but this test is not specific of TB....
BCG vaccination may have non-specific effects (NSE) i.e., effects on childhood morbidity and mortality that are separate the vaccine's effect on the incidence of disseminated tuberculosis. Though the available literature is mostly from observational study designs, and is fraught with controversy, BCG vaccination at birth, in a high risk population of HIV exposed children, may protect infants against serious infections other than TB. Yet, other studies indicate that giving BCG l...
we hypothesize that exogenous reinfection is very important in the Taiwan endemic. Therefore, we design a series of studies to evaluate the individual contribution of exogenous reinfection and endogenous reactivation in the Taiwan endemic, and to realize the impact of exogenous reinfection. First, we will identify the patients with TB relapse after complete treatment. The M. tuberculosis isolates responsible for their initial and recurrent episodes will then be genotyped to cla...
The immune responses in latent tuberculosis are poorly understood. While it is difficult to define the onset of latency during natural infection, patients undergoing treatment for tuberculosis are driven into a state of latency or cure. The present study on the effect of 3 and 4 month regimens containing moxifloxacin in sputum smear and culture positive pulmonary tuberculosis (TRC Study number 24) offers us the opportunity to study definitive immune responses pre and post treat...
The aim of this study was to elucidate genetic susceptibility of patients with nontuberculous mycobacterial lung disease using genome-wide association study.
This study compares three different tuberculosis (TB) prevention regimens against the standard regimen of 6 months of isoniazid. It is being conducted in Soweto, South Africa. People who are HIV positive and have a positive tuberculin skin test without signs of active tuberculosis may join.
This research will help doctors interested in the usefulness of a new test to discover hidden tuberculosis infections in patients diagnosed with rheumatoid arthritis (RA). This new test is called Quantiferon-Gold (QFT-G). After immune system medicines that block TNF-alpha (a protein manufactured by white blood cells to stimulate and activate the immune system in response to infection or cancer) started to be used, the rate of tuberculosis infections in patients treated with ...
Tuberculosis is a major cause of mortality among AIDS patients in the developing world. The diagnosis of tuberculosis in HIV infected children is complicated by inefficient and expensive tuberculosis tests and vague diagnostic criteria. This study will evaluate the accuracy and efficiency of several different tuberculosis tests that could be used in developing countries.
A new effective tuberculosis (TB) vaccine is essential to achieve World Health Organization (WHO) End TB goals and eliminate TB by 2050. The optimal long-term strategy would be a combination of serial mass campaigns in adults, coupled with universal newborn vaccination. Newborns are the only human population without prior mycobacterial exposure in TB endemic countries and as such, live attenuated mycobacterial vaccines may offer better protection to this naïve population compa...
Successful therapy of both tuberculosis and HIV disease share similar problems: pill burden, drug interaction, adherence challenge and toxicity. This study will test the efficacy and safety of a once daily antiretroviral regimen in HIV-tuberculosis coinfected patients.
The purpose of this study is to determine how vitamin D supplementation (ergocalciferol) affects the immune response to mycobacterial infection.
Background: - Tuberculosis (TB) infection is particularly deadly when it happens in people who are also infected with the human immunodeficiency virus (HIV). However, not much is known about how these two infections affect each other. Some people who have HIV or TB infections develop health problems after they start taking either HIV or TB medications or both. These drugs can improve the body s ability to fight infections, but sometimes this sudden improvement can make...
To evaluate adherence and safety of three regimens of chemoprophylaxis for tuberculosis (TB) in HIV-infected patients with positive tuberculin skin test.